The Russian Republic was a short-lived political entity occupying the territory of the former Russian Empire

Russian Empire

The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

 during the 1917 struggle for power that ended with the October Revolution

October Revolution

The October Revolution , also known as the Great October Socialist Revolution , Red October, the October Uprising or the Bolshevik Revolution, was a political revolution and a part of the Russian Revolution of 1917...

 and the establishment the Soviet regime. The Provisional Government of Russia (Russian: Временное правительство России) was established to rule the territories of the Russian Empire after the revolution of February

February Revolution

The February Revolution of 1917 was the first of two revolutions in Russia in 1917. Centered around the then capital Petrograd in March . Its immediate result was the abdication of Tsar Nicholas II, the end of the Romanov dynasty, and the end of the Russian Empire...

 (March in the Gregorian calendar) 1917.

Main government institutions:

• State Duma of the Russian Empire
  State Duma of the Russian Empire
  The State Duma of the Russian Empire was a legislative assembly in the late Russian Empire, which met in the Taurida Palace in St. Petersburg. It was convened four times between 1906 and the collapse of the Empire in 1917.-History:...
  
  
• Council of the Russian Republic
  Council of the Russian Republic
  Council of the Russian Republic was a legislative assembly in Russia. It convened at the Marinsky Palace on October 20, 1917, but was dissolved by the Bolsheviks on November, 7/8 1917. It was headed by a presidium of five members with Nikolay Avksentiev as president.- Sources :*...
  
  
• Congress of Soviets
  Congress of Soviets
  The Congress of Soviets was the supreme governing body of the Russian Soviet Federative Socialist Republic and several other Soviet republics from 1917–36 and again from 1989-91. After the creation of the Soviet Union, the Congress of Soviets of the Soviet Union functioned as its legislative branch...
  
  
• Russian Provisional Government
  Russian Provisional Government
  The Russian Provisional Government was the short-lived administrative body which sought to govern Russia immediately following the abdication of Tsar Nicholas II . On September 14, the State Duma of the Russian Empire was officially dissolved by the newly created Directorate, and the country was...
  
  
• Directorate (Russia)
  Directorate (Russia)
  The Directorate was the short-lived transitional government of Russia during the Russian Revolution. It consisted of five main ministers and lasted for about three weeks.-Members:# Minister-President Alexander Kerensky...
  
  
• Petrograd Milrevkom